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diff --git a/src/plugins/directshow/helpers/directshowmediatype.h b/src/plugins/directshow/helpers/directshowmediatype.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef DIRECTSHOWMEDIATYPE_H
+#define DIRECTSHOWMEDIATYPE_H
+
+#include <dshow.h>
+
+#include <qvideosurfaceformat.h>
+
+#include <dvdmedia.h>
+
+QT_USE_NAMESPACE
+
+class DirectShowMediaType : public AM_MEDIA_TYPE
+{
+public:
+    DirectShowMediaType() { init(this); }
+    DirectShowMediaType(const AM_MEDIA_TYPE &type) { copy(this, type); }
+    DirectShowMediaType(const DirectShowMediaType &other) { copy(this, other); }
+    DirectShowMediaType &operator =(const AM_MEDIA_TYPE &type) {
+        freeData(this); copy(this, type); return *this; }
+    DirectShowMediaType &operator =(const DirectShowMediaType &other) {
+        freeData(this); copy(this, other); return *this; }
+    ~DirectShowMediaType() { freeData(this); }
+
+    void clear() { freeData(this); init(this); }
+
+    bool isPartiallySpecified() const;
+    bool isCompatibleWith(const DirectShowMediaType *type) const;
+
+    static void init(AM_MEDIA_TYPE *type);
+    static void copy(AM_MEDIA_TYPE *target, const AM_MEDIA_TYPE &source);
+    static void freeData(AM_MEDIA_TYPE *type);
+    static void deleteType(AM_MEDIA_TYPE *type);
+
+    static GUID convertPixelFormat(QVideoFrame::PixelFormat format);
+    static QVideoSurfaceFormat formatFromType(const AM_MEDIA_TYPE &type);
+    static QVideoFrame::PixelFormat pixelFormatFromType(const AM_MEDIA_TYPE &type);
+
+    static int bytesPerLine(const QVideoSurfaceFormat &format);
+
+private:
+    static QVideoSurfaceFormat::Direction scanLineDirection(QVideoFrame::PixelFormat pixelFormat, const BITMAPINFOHEADER &bmiHeader);
+};
+
+Q_DECLARE_TYPEINFO(DirectShowMediaType, Q_MOVABLE_TYPE);
+
+#endif